| 年份 | 日本 |
|---|---|
| 2023 | - |
| 2022 | 25.4016 |
| 2021 | 18.7389 |
| 2020 | 15.8185 |
| 2019 | 17.7529 |
| 2018 | 18.295 |
| 2017 | 16.8318 |
| 2016 | 15.2523 |
| 2015 | 17.9906 |
| 2014 | 20.0128 |
| 2013 | 18.1946 |
| 2012 | 16.0561 |
| 2011 | 15.4205 |
| 2010 | 13.58 |
| 2009 | 11.9706 |
| 2008 | 16.8939 |
| 2007 | 15.5275 |
| 2006 | 14.359 |
| 2005 | 12.4141 |
| 2004 | 10.8781 |
| 2003 | 9.86032 |
| 2002 | 9.59168 |
| 2001 | 9.4828 |
| 2000 | 9.09888 |
| 1999 | 8.32009 |
| 1998 | 8.62938 |
| 1997 | 9.39982 |
| 1996 | 8.93812 |
| 1995 | 7.57363 |
| 1994 | 6.97048 |
| 1993 | 6.80943 |
| 1992 | 7.49978 |
| 1991 | 8.14328 |
| 1990 | 9.28562 |
| 1989 | 8.60676 |
| 1988 | 7.4793 |
| 1987 | 7.03579 |
| 1986 | 7.09832 |
| 1985 | 10.4919 |
| 1984 | 11.7037 |
| 1983 | 11.5079 |
| 1982 | 13.0931 |
| 1981 | 13.2232 |
| 1980 | 13.8011 |
| 1979 | 11.7984 |
| 1978 | 8.87459 |
| 1977 | 10.8395 |
| 1976 | 12.0675 |
| 1975 | 12.0674 |
| 1974 | 13.5712 |
| 1973 | 9.47029 |
| 1972 | 7.82816 |
| 1971 | 8.50451 |
| 1970 | 9.01036 |
| 1969 | - |
| 1968 | - |
| 1967 | - |
| 1966 | - |
| 1965 | - |
| 1964 | - |
| 1963 | - |
| 1962 | - |
| 1961 | - |
| 1960 | - |